Improvement in opening envelopes



A. L. SEABURYV ENVELOPE.

No.42,113. Patented Mar. 29, 1864.

UNITED STATES PATENT OFFICE.

ALFRED L. SEABURY, OF NORFOLK, VIRGINIA.

IMPROVEMENT IN OPENING ENVELOPES.

Specification forming part of Letters Patent. No. 42,1] 3, dated March 29, 1864.

To (L66 whom it nuty concern:

Be it known that I, ALFRED L. SEABURY, of the city of Norfolk, in the State of Virginia, have invented a new and improved mode of opening envelopes of letters, newspapers, or packages, making an improved envelope, of which the following is a Specification.

The nature of my invention consistsin stitching a thread through and through the envelope, as shown by the drawings accompanying this application, leaving one or more ends of the thread so that they may be readily taken hold of by any one, and by means of which the envelope may he speedily torn or eutopen by the thread so inserted. The thread being thus stitched through and through is permanentlysecuredin its place. It cannot be pulled out nor drawn sidewise, but marks the line of opening in the exact direction of stitching.

What 1 claim for my invention is- The stitching of a thread through and 

